Finding the Fourth Proportional to 3,976.56, 5,486.77 and 2,404.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.56 : 5,486.77 = 2,404.62 : x
2. Step 2: Convert to fraction form
   3,976.56/5,486.77 = 2,404.62/x
3. Step 3: Cross multiply
   3,976.56x = 5,486.77 × 2,404.62
4. Step 4: Simplify right side
   3,976.56x = 13,193,596.88
5. Step 5: Solve for x
   x = 13,193,596.88/3,976.56
6. Step 6: Final answer
   x = 3,317.84